File:STEREO Ultraviolet 3D Images (5277461361).jpg
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[edit]DescriptionSTEREO Ultraviolet 3D Images (5277461361).jpg |
Description: The two STEREO spacecraft were launched together in Oct. 2006 from Cape Canaveral. In the following months they were placed in two separate orbits about the Sun - one (the Ahead spacecraft) moving ahead of Earth's orbit, the other (Behind) moving behind Earth's orbit. Both spacecraft are separating from each other and Earth. The spacecraft now have four degrees of separation, enough to provide true 3D images of the Sun and solar storms for the very first time. The images shown are produced by the STEREO Extreme Ultraviolet Imaging Telescopes (EUVI). These show the Sun's super-hot atmosphere in ultraviolet wavelengths of light invisible to the human eyes and unobtainable from the Earth's surface. This hot, ionized material is shaped by the sun's magnetic fields so that observing the Sun's atmosphere in ultraviolet light allows us to study its magnetic field. The Sun's atmosphere, the corona, is shaped by the Sun's complex and dynamic magnetic field. All the structures you see in these 3D movies are the result of that field. The magnetic field is also the source of solar activity. Complex magnetic fields rearrange and reconnect to form simpler magnetic structures and in the process release energy in the forms of flares and coronal mass ejections. With STEREO we want to get 3D information about what is occurring on the Sun, which is 150 million km (93 million miles) away. Thus we need "eyes" which are much farther apart. At the time these images were taken in late March 2007 the two STEREO spacecraft were about 10 million km apart. This is far enough to give each spacecraft a distinct point of view of the structures in the Sun's lower atmosphere and makes 3D images of the Sun possible for the first time. UID: SPD-SLRSY-5383 |
Date | |
Source | STEREO Ultraviolet 3D Images |
Author | NASA on The Commons |
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NASA on The Commons @ Flickr Commons |
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[edit]This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as: No known copyright restrictionsNo restrictionshttps://www.flickr.com/commons/usage/false
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This image was originally posted to Flickr by NASA on The Commons at https://flickr.com/photos/44494372@N05/5277461361. It was reviewed on 27 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions. |
27 September 2015
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current | 18:01, 27 September 2015 | 1,280 × 720 (61 KB) | Sumita Roy Dutta (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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